If a stay is longer than 90 days (which will generally be the case with stays for educational purposes), an application for a residence permit must be submitted to the cantonal migration authority. If a student enters Switzerland with the intention of staying for more...
One should not confuse authorisation to enter Switzerland with a request to have a stay authorised administratively. The first concerns visas and is regulated by the Schengen Agreements which exempt Europeans from this procedure. The second is the authorisation to...